寄生虫的一个典例是绦虫，它生活在更大的动物的肠道内，从宿主那里吸收营养。
An example of a parasite is a tapeworm that lives inside the intestines of a larger animal and absorbs nutrients from its host.
看起来，泥土似乎提供不了太多营养物质——但它也许能保护人体，免受毒素、病菌，寄生虫的伤害。
Seems that dirt doesn't offer much in the way of nutrition-but it may protect against toxins, pathogens and parasites.
看起来，泥土似乎提供不了太多营养物质——但它也许能保护人体，免受毒素、病菌，寄生虫的伤害。
Seems that dirt doesn't offer much in the way of nutrition—but it may protect against toxins, pathogens and parasites.
应用推荐